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Two black and green laptop memory modules side by side

SAMSUNG

SAMSUNG 4GB 260-Pin DDR4 SO-DIMM 2666 MHz CL19 2-Count Kit

SKU CH-0BRS-XFYY4

Two 4 GB DDR4 SO-DIMM modules running at 2666 MHz CL19 for laptop upgrades

  • Total capacity4 GB
  • CAS latencyCL19
  • Product type260-Pin DDR4 SO-DIMM
  • Dual-channel kit doubles usable bandwidth with two 4 GB modules
  • 2666 MHz data rate keeps pace with modern laptop controllers
  • CL19 latency balances speed and stability for everyday workloads
  • 260-pin SO-DIMM form factor fits standard DDR4 laptop slots
  • 2 V operation reduces power draw and heat in portable systems

8 GB DDR4 SO-DIMM Kit

This Samsung kit provides two 4 GB modules for a total of 8 GB of DDR4 laptop memory. Each stick uses the 260-pin SO-DIMM form factor and runs at 2666 MHz with CL19 latency. The modules operate at the standard 1.2 V for DDR4.

Suits standard DDR4 laptop upgrades

The 2666 MHz speed and CL19 timing match common factory specifications for mainstream notebooks. Buyers needing lower latency, higher frequency, or larger single-module capacities should look at other options. The green and black PCB colour is cosmetic and does not affect compatibility.

2666 MHz data rate

This single specification determines whether the memory matches the laptop's supported speed grade. Systems rated for 2666 MHz will run these modules at their labelled frequency; systems limited to a lower speed will downclock them automatically.

How it compares

Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.

Price $31.99
Cheaper than about 72% of the 2,079 comparable items (median $70.99).
Total capacity 4 GB
Lower than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $8.00 per GB
Pricier than about 70% of the 1,886 comparable items (median $5.94 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Total capacity4 GB
Product type260-Pin DDR4 SO-DIMM
Memory
CAS latencyCL19

Questions about this item

How can I confirm the kit is running at 2666 MHz and CL19 after installation?

Open Task Manager or CPU-Z and verify the memory frequency reads 2666 MHz with CAS latency 19.

What comes in the box and is anything else required?

The kit includes two black and green 260-pin SO-DIMM modules; no extra parts are needed.

Which capacity version should I choose for a dual-channel upgrade?

This 2-count kit provides 4 GB per module for a total of 8 GB in dual-channel mode.

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